2.11 Orodus (pavement tooth shark)
This is a member of the Holocephali (rat-fish), a third group of cartilaginous fish. Orodus comes from the Lower Carboniferous and therefore represents a very early member of this rat-fish radiation.
_1.JPG "Orodus tooth")
Above: Single tooth of Orodus seen from the side.
This specimen is a tooth.
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